EROS Supernovae Search Estimation of the Explosion Rate

Details EROS Supernovae Search Estimation of the Explosion Rate EROS Supernovae Search Estimation of the Explosion Rate

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.149h&link_type=abstract

Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:

Astronomy and Astrophysics

Astrophysics

Scientific paper

Two recent comparisons of high-redshift supernovae (z ~0.5) with intermediate redshift supernovae (z ~0.1) indicate the existence of a non-zero cosmological constant. The great importance of this result makes it imperative to continue the study of intermediate redshift supernovae with independent data samples. For this reason, EROS, using a 1m telescope and two one square degree ccd cameras, has devoted 10 percent of its observing time to the search for supernovae. With 30 supernovae discovered yet, EROS supernovae search is now fully operationnal. Our first result is an estimation of the nearby supernovae rate, derived by calculating the search efficiency with Monte-Carlo techniques.

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